71246716687 has 2 divisors, whose sum is σ = 71246716688. Its totient is φ = 71246716686.

The previous prime is 71246716679. The next prime is 71246716741. The reversal of 71246716687 is 78661764217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71246716687 - 2³ = 71246716679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71246716637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35623358343 + 35623358344.

It is an arithmetic number, because the mean of its divisors is an integer number (35623358344).

Almost surely, 2^71246716687 is an apocalyptic number.

71246716687 is a deficient number, since it is larger than the sum of its proper divisors (1).

71246716687 is an equidigital number, since it uses as much as digits as its factorization.

71246716687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 55.

The spelling of 71246716687 in words is "seventy-one billion, two hundred forty-six million, seven hundred sixteen thousand, six hundred eighty-seven".